Granted Patent
Utility
US 4,801,339 · App. 06/712,701
Production of Al alloys with improved properties
Inventors:
Donald H. Osborn, Paul S. Gilman, Stephen J. Donachie
Patented Case
View Patent ↗
Granted: Jan 31, 1989
Filed: Mar 15, 1985
Inventors
Donald H. Osborn
Paul S. Gilman
Stephen J. Donachie
Assignee (at issue)
INCO Alloys International, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.